Cruisers Forum

Join CruisersForum Today

Thread Tools Rate Thread Display Modes
Old 13-05-2016, 11:09   #1
Registered User

Join Date: Dec 2009
Location: Miami
Posts: 247
Engine Alarm Question

The Volvo 2003 on my sloop runs beautifully. But recently I've experienced something least to me. As I'm motoring along at 2400 RPM or so, the high temp/low oil pressure alarm starts to sound, but very faintly. But my oil pressure and water temperature gauges read exactly where they have always read at that engine speed. The engine is pumping raw water and when I pop the cap on the water filler tank, the water is not particularly hot. If I lower the RPM a bit the faint alarm sounding stops.

Any ideas? Thank you in advance for you input

Roniszoro is offline   Reply With Quote
Old 13-05-2016, 11:19   #2
Registered User

Join Date: Sep 2015
Location: Essex, England
Boat: Hartley Tahitian 48
Posts: 311
Re: Engine Alarm Question

Check the wiring first then if OK - Change the temp sensor - sounds like it is dying.

paulajayne is offline   Reply With Quote
Old 13-05-2016, 13:13   #3
Senior Cruiser

Cruisers Forum Supporter

Join Date: Jul 2005
Boat: Outbound 44
Posts: 5,296
Re: Engine Alarm Question

Why is the coolant water not getting hot? Sounds suspicious- thermostat, clog heat exchanger,.....
Paul L
Paul L is online now   Reply With Quote
Old 13-05-2016, 13:27   #4
Registered User

Join Date: Apr 2007
Location: New York
Boat: LeComte NorthEast 38
Posts: 395
Re: Engine Alarm Question

at some point my oil pressure sensor contact broke off (and alarm sounded). literally: the wires in the harness and elsewhere throughout my motor [a westerbeke 35cthree, circa 2005] seem a bit too stiff, so vibration is not their friend. the metal blade contact broke off at the base. had to replace the sensor, fixed the problem.

not saying yours is the same, but worth checking - simple and cheap repair.
antoha is online now   Reply With Quote
Old 13-05-2016, 13:59   #5
Registered User
AUK's Avatar

Join Date: Jan 2015
Location: Denmark
Boat: Olle Enderlein 32
Posts: 14
Re: Engine Alarm Question

This problem was cured on my 2003T from 1989 when I replaced the Printed Circuit Board in the instrument display 8 years ago. Unfortunately after an overheating incident where the alarm sounded so weak that it was overheard. Luckily the smell alerted me to the problem.
For safety's sake, get the board replaced quickly !
AUK is offline   Reply With Quote
Old 13-05-2016, 14:10   #6
Registered User
deblen's Avatar

Join Date: Oct 2014
Location: Grand Manan,N.B.,Canada N44.40 W66.50
Boat: Mascot 28 pilothouse motorsailer 28ft
Posts: 1,560
Images: 1
Re: Engine Alarm Question

Helpful diagram & explanation of VP2003 dash ckt:

My personal experience & humble opinions-feel free to ignore both
deblen is offline   Reply With Quote

alarm, engine

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
car alarm as boat alarm? arjand Health, Safety & Related Gear 2 12-01-2013 03:31
Inexpensive High Water Alarm (and boat alarm) kiltym Marine Electronics 2 04-11-2012 09:22
Loud engine alarm, recommendations? jdoe71 Engines and Propulsion Systems 10 06-11-2007 11:12

Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 13:09.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.